Introduction to Lingchong: Not far to the west of the word "Nanming Mountain" written by Mr. Mi Fu, there is the word "Lingchong", which is said to have been written by Ge Hong of the Eastern Jin Dynasty. Ge Hong, known as Ge Xianweng, is one of the innovators of Chinese Taoism. This public author has the "Encyclopedia of Taoism" and "Baopuzi", and is good at alchemy.